diff --git a/Configurations/10-main.conf b/Configurations/10-main.conf
index 8427a561e3..41575fbaae 100644
--- a/Configurations/10-main.conf
+++ b/Configurations/10-main.conf
@@ -134,7 +134,9 @@ sub vms_info {
     }
 
     unless (%$vms_info) {
-        $vms_info->{disable_warns} = [ ];
+        $vms_info->{disable_warns} = [
+            "CXXPRAGMANA",      # Shut up about unknown / unsupported pragmas
+        ];
         $vms_info->{pointer_size} = $pointer_size_str;
         if ($pointer_size_str eq "64") {
             `PIPE CC /NOCROSS_REFERENCE /NOLIST /NOOBJECT /WARNINGS = DISABLE = ( MAYLOSEDATA3, EMPTYFILE ) NL: 2> NL:`;